<nz-radio-group  [ngModel]="value" [nzDisabled]="isDisabled"
  (ngModelChange)="onModelChange($event)" [ngStyle]="{'width': record.options.width}">
  <label *ngFor="let lbl of record.options.options" nz-radio [nzValue]="lbl.value">
    <ng-container *ngIf="!lbl.tooltip">{{lbl.label}}</ng-container>
    <span style="display: inline-flex; align-items: center;" *ngIf="lbl.tooltip">{{lbl.label}}
      <i style="margin-left: 2px;" nz-icon nzType="question-circle" nzTheme="outline" 
        nz-tooltip [nzTooltipTitle]="titleTemplate"></i>
    </span>
    <ng-template #titleTemplate>
      <div [innerHTML]="lbl.tooltip | formDesignSanitizeUrl"></div>
    </ng-template>
  </label>
</nz-radio-group>